In Ancient days of natural healing the properties of several healing oils were mixed together in a tincture, salve or lotion hence synergistic healing. 
Jack's Soaporium healing salve is a synergistic product it combines the healing oils of raw calendula, plantain. This mixture helps with Rosacea, eczema, acne, burns, hives, stings, minor cuts, scrapes, and wounds.
All Jack's soaporium base oil is Shea Butter which is a nut. If you suffer from nut allergies, these products should not be used.